Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It greatly affects volumetric efficiency It allows maximum compression to be achieved It permits isothermal compression It results in minimum work It greatly affects volumetric efficiency It allows maximum compression to be achieved It permits isothermal compression It results in minimum work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor resembles Centrifugal pump Turbine Sliding vane compressor Reciprocating pump Centrifugal pump Turbine Sliding vane compressor Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The velocity of air entering in a rocket is ___ as compared to an aircraft. More Zero Same Less More Zero Same Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will May increase or decrease depending on clearance volume Increase Remain same Decrease May increase or decrease depending on clearance volume Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₁ × p₃ p₂ = p₁/p₃ p₂ = p₃/p₁ p₂ = p₁ × p₂ p₂ = p₁ × p₃ p₂ = p₁/p₃ p₂ = p₃/p₁ p₂ = p₁ × p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R Compression work/motor input Total output/air input Isothermal H.P/indicated H.R Isothermal H.P./shaft H.R ANSWER DOWNLOAD EXAMIANS APP
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